\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{binca} \pdfinfo{ /Title (the-http-protocol.pdf) /Creator (Cheatography) /Author (binca) /Subject (The HTTP Protocol Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{8B1FAD} \definecolor{LightBackground}{HTML}{F7F1F9} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{The HTTP Protocol Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{binca} via \textcolor{DarkBackground}{\uline{cheatography.com/44948/cs/13260/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}binca \\ \uline{cheatography.com/binca} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 9th November, 2017.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{3} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Web v1}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{No Authentication} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{No encryption} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Sessionless} \tn % Row Count 3 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.43413 cm} x{1.54287 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{HTTP/0.9}} \tn % Row 0 \SetRowColor{LightBackground} RFC & none \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} MEthod Supported & GET \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} Virtual Host Support & none \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} Responses & HTML only \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{1 GET = 1 TCP connection} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{HTTP/1.0}} \tn % Row 0 \SetRowColor{LightBackground} RFC & 1945 \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Methods Supported & GET, HEAD, POST, PUT, DELETE \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} Responses & HTML, non-HTML (text, binary, images) \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} Virtual Host Support & none \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Released in May '96, first formal HTTP standard. Formalized the misspelling of "referrer".} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.79172 cm} x{3.18528 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{HTTP/1.1}} \tn % Row 0 \SetRowColor{LightBackground} RFC & 2616, later replaced by 7230-7235 \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} Methods Supported & GET, HEAD, POST, PUT, DELETE, OPTION \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} Virtual Host Support & Yes \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Enabled persistent connections. Host header is mandatory.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{HTTP/2}} \tn % Row 0 \SetRowColor{LightBackground} Binary Protocol & Improved compression \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} Push Promise & Web server sends content without request \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{Multiplexed} & Requests and responses can be received in parallel \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} HPACK (RFC 7541) & Header compression \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} Encryption & Not required by default \tn % Row Count 9 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Primary focus is faster performance.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Example HTTP 1.1 Request}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{GET /search HTTP/1.1 \newline \newline Accept: {\emph{/}} \newline \newline Accept-Language: en-us \newline \newline User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko \newline \newline Host: www.google.com \newline \newline Proxy-Connection: Keep-Alive \newline \newline Cookies \seqsplit{SESSIONID=c953ef6978d4525b35620e9f70234aa9;} ANSWER=42; \newline \newline Content-length: 0} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{This is a GET request. \newline The user agent string identifies the type of client software and summarizes its capabilities. \newline The cookie provides one or more state variables previously set by a server on this client. \newline The payload of this request has no content. Keep in mind the header ends with a blank line.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Example HTTP 1.1 Response}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{HTTP/1.1 200 OK \newline \newline Content-Type: text/html; \newline \newline charset=UTF-8 \newline \newline Server: Apache/2.4.7 (Ubuntu) \newline \newline Date: Tue, 24 Oct 2017 15:51:10 GMT \newline \newline Content-length: 6243} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{The status code is the result of the request. \newline Server token is the string returned by the web server identifying itself. \newline Server Time is the time stamp based on the server's time and date. \newline Content Length is the length of the response. The header ends with a blank line.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{User-Agent}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{Mozilla/5.0} & Compliant with historical standards \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{Trident/7.0} & rv:11.0 Internet Explorer 11.0 \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} Windows NT 10 & Windows 10 \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} Windows NT 6.3 & Windows 8.1/2012R2 \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} Windows NT 6.2 & Windows 8/2012 \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} Windows NT 6.1 & Windows 7/2008R2 \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} Windows 6.0 & Vista/2008 \tn % Row Count 13 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Web clients, often browsers.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Uniform Resource Identifier (URI)}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Made of various pieces in the following order: \newline % Row Count 1 (+ 1) Protocol \newline % Row Count 2 (+ 1) username:password (blocked by modern web browsers) \newline % Row Count 4 (+ 2) Host and domain name \newline % Row Count 5 (+ 1) Port defaults \newline % Row Count 6 (+ 1) Actual resource on that server \newline % Row Count 7 (+ 1) Question mark% Row Count 8 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Often used interchangeably with URL} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Query String Formats}} \tn % Row 0 \SetRowColor{LightBackground} Typical format & \seqsplit{index.php?id=42\&name=Beeblebrox} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} Apache's mod\_rewrite module & \seqsplit{index.php/id/42/name/Beeblebrox} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} Data parsed by server-side code & \seqsplit{index.php/id=42\$name=Beeblebrox} \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} Data used by an app executed using a system call in the web app & \seqsplit{index.php?param=id:42\¶m=name:Beeblebrox} \tn % Row Count 10 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Used to pass data via URL request, they are determined by the web application developer and/or the production environment running the application.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}